2815   const DIR_DOWN  = 0x2;  define in dokuwiki\\plugin\\a2s\\ASCIIToSVG
3139           if ($this->isEdge($s, self::DIR_DOWN) || $this->isCorner($s)) { 
3141             $dir = self::DIR_DOWN;
3192             $dir = self::DIR_DOWN;
3279             $dir = self::DIR_DOWN;
3303           } elseif ($dir == self::DIR_DOWN) {
3566     } elseif ($dir == self::DIR_DOWN || $dir == self::DIR_UP) {
3568       $rInc = ($dir == self::DIR_DOWN) ? 1 : -1;
3619       } elseif ($dir != self::DIR_DOWN &&
3627                 ($this->isCorner($s) || $this->isEdge($s, self::DIR_DOWN))) {
3631           return $this->walk($path, $r + 1, $c, self::DIR_DOWN, $d);
3681     } elseif ($dir == self::DIR_DOWN || $dir == self::DIR_UP) {
3683       $rInc = ($dir == self::DIR_DOWN) ? 1 : -1;
3745         if (!($bucket[$key] & self::DIR_DOWN) &&
3746             ($this->isBoxEdge($s, self::DIR_DOWN) || $this->isBoxCorner($s))) {
3750             $newDir = self::DIR_DOWN;
3758       } elseif ($dir == self::DIR_DOWN) {
3783         } elseif ($newDir == self::DIR_DOWN || $newDir == self::DIR_UP) {
3785           $rMod = ($newDir == self::DIR_DOWN) ? 1 : -1;
3821       if ($dir != self::DIR_DOWN && !($bucket[$key] & self::DIR_UP) &&
3833       if ($dir != self::DIR_UP && !($bucket[$key] & self::DIR_DOWN) &&
3834           ($this->isBoxEdge($s, self::DIR_DOWN) || $this->isBoxCorner($s))) {
3838           $bucket[$key] |= self::DIR_DOWN;
3839           $this->wallFollow($path, $r + 1, $c, self::DIR_DOWN, $bucket, $d);
4026     } elseif ($dir == self::DIR_UP || $dir == self::DIR_DOWN) {
4040     } elseif ($dir == self::DIR_UP || $dir == self::DIR_DOWN) {